IPA: /nɒnˌkəʊɪnˈsɪdəns/
KK: /nɑnˌkoʊɪnˈsɪdəns/
Something that happens by chance but is not a coincidence, meaning it is intentional or planned.
The meeting was a noncoincidence; we had arranged it weeks in advance.
Noncoincidence → It is formed from "non-" (meaning not) and "coincidence" (from Latin "coincidere", meaning to fall together). The word "noncoincidence" means not falling together or not occurring at the same time or in the same way.
Think of 'not' ('non-') and 'falling together' ('coincidere') to remember that 'noncoincidence' means things that do not happen at the same time.